Ken Livingstone: where next for Progessive London?

Against a possible backdrop of a Cameron government in mid-term and London's floating voters experiencing Boris fatigue, maybe a combination of Labour core votes, second preference Green votes and his personal vote would be enough for him. But among the capital's electorate there's a Ken fatigue factor, too. He needs to refresh his brand and do so by evolving new policies that will not only speak to his bedrock supporters but also persuade those who forsook him last time round that he has listened to them, and learned.